Portion of a shoe



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a front of the portion of a shoe shown in FIG. 1;

FIG. 3 is a side view of the portion of a shoe shown in FIG. 1; and,

FIG. 4 is a top view of the portion of a shoe shown in FIG. 1.

The even broken line immediately adjacent to the shaded area represent the bounds of the claimed design. All other uneven broken lines represent the remaining portion of the shoe. The even and uneven broken line representations in FIG. 1-FIG. 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 